See also:

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle Diag ...

MP3 and WMA Supported Files
Format The radio can play.mp3 or .wma files that were recorded onto a CD-R or CD-RW disc. Compressed Audio or Mixed Mode Discs The radio plays discs that contain both uncompressed CD audio and MP3/ ...

When to Add Engine Oil
If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Right Engine Oil” in this section for ...